rings-core 0.20.0

Chord DHT implementation with ICE
Documentation 
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//! Module of MemStorage and PersistenceStorage

#[cfg(all(feature = "wasm", target_family = "wasm"))]
/// IndexedDB-backed storage for browser runtimes.
pub mod idb;
/// In-memory key value storage.
pub mod memory;
#[cfg(not(all(feature = "wasm", target_family = "wasm")))]
/// Persistent storage for native runtimes.
pub mod sled;

use async_trait::async_trait;

use crate::error::Result;
pub use crate::storage::memory::MemStorage;

/// Key value storage interface
#[cfg_attr(all(feature = "wasm", target_family = "wasm"), async_trait(?Send))]
#[cfg_attr(not(all(feature = "wasm", target_family = "wasm")), async_trait)]
pub trait KvStorageInterface<V> {
    /// Get a cache entry by `key`.
    async fn get(&self, key: &str) -> Result<Option<V>>;

    /// Put `entry` in the cache under `key`.
    async fn put(&self, key: &str, value: &V) -> Result<()>;

    /// Return every key value pair in this storage.
    async fn get_all(&self) -> Result<Vec<(String, V)>>;

    /// Remove an `entry` by `key`.
    async fn remove(&self, key: &str) -> Result<()>;

    /// Delete all values.
    async fn clear(&self) -> Result<()>;

    /// Get the current storage usage.
    async fn count(&self) -> Result<u32>;
}